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  2. Spider silk - Wikipedia

    en.wikipedia.org/wiki/Spider_silk

    Spider silk structure: crystalline beta-sheets separated by amorphous linkages. Silks have a hierarchical structure. The primary structure is the amino acid sequence of its proteins (), mainly consisting of highly repetitive glycine and alanine blocks, [4] [5] which is why silks are often referred to as a block co-polymer.

  3. Spidroin - Wikipedia

    en.wikipedia.org/wiki/Spidroin

    Spidroins are the main proteins in spider silk. Different types of spider silk contain different spidroins, all of which are members of a single protein family. [1] The most-researched type of spidroins are the major ampullate silk proteins (MaSp) used in the construction of dragline silk, the strongest type of spider silk.

  4. Keratin - Wikipedia

    en.wikipedia.org/wiki/Keratin

    Silk found in insect pupae, and in spider webs and egg casings, also has twisted β-pleated sheets incorporated into fibers wound into larger supermolecular aggregates. The structure of the spinnerets on spiders' tails, and the contributions of their interior glands, provide remarkable control of fast extrusion. Spider silk is typically about 1 ...

  5. Fibroin - Wikipedia

    en.wikipedia.org/wiki/Fibroin

    Fibroin is an insoluble protein present in silk produced by numerous insects, such as the larvae of Bombyx mori, and other moth genera such as Antheraea, Cricula, Samia and Gonometa. Silk in its raw state consists of two main proteins, sericin and fibroin, with a glue-like layer of sericin coating two singular filaments of fibroin called brins.

  6. Is spider silk the next bulletproof material? - AOL

    www.aol.com/news/2015-06-12-is-spider-silk-the...

    The silk is a complex form of protein fiber that starts off as a protein-rich liquid and then dries into solid filaments, thanks to spinnerets, an external portion of spider glands.

  7. Araneus ventricosus - Wikipedia

    en.wikipedia.org/wiki/Araneus_ventricosus

    Of these proteins, AcSp and TuSp help to create egg coverings, while the other five are involved in the spider silk's structure. However, thanks to recent analysis of the Araneus ventricosus genome, it has been discovered that there may be more than these seven spidroin types. [14]

  8. Animal fiber - Wikipedia

    en.wikipedia.org/wiki/Animal_fiber

    The length of the silk fiber depends on how it has been prepared. Since the cocoon is made of one strand, if the cocoon is unwound carefully the fibers can be very long. Spider silk is the strongest natural fiber known. The strongest dragline silk is five times stronger than steel and three times tougher than Kevlar.

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